Results of researches on reception of the cleared solutions and salts of phosphates of sodium from extraction phosphoric acid on the basis of phosphorites Central Kyzylkum are resulted. Optimum norms of a technological mode are established. It is shown, that neutralisation defluorination and desulfonation extraction phosphoric acid a sodium carbonate it is possible to receive the solutions containing less of 0,004 % of fluorine and to allocate salts mono and disodiumphosphate, suitable for reception of sodium polyphosphates.



To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.